 & Estimate & Pre-trends test &  Obs \\
 Raw patent count (weighted by claims) & 0.0242. & [p=0.689]  & 15981 obs \\
 & (0.0232) &  & (1172 pairs) \\ 
 Forward citations adjusted patent count & 0.0909** & [p=0.224]   & 5462 obs \\
 & (0.0457) &  & (517 pairs) \\ 
 Connection to science adjusted patent count & 0.0700*** & [p=0.895]   & 15922 obs \\
 & (0.0220) &  & (1168 pairs) \\ 
